Infinite row of elliptical holes in an infinite-width plate

Uniaxial tension normal to the row of holes

Stress concentration is considered for the following problem

 

Information and restrictions

image/cocon_25.jpg

\[ 0\le 2a/c\le 0.7 \] \[ 0\le a/b\le 10 \] \[ K_{\mbox{tn}} =\sigma_{\max } /\sigma_{\mbox{nom}} \] \[ \sigma_{\mbox{nom}} =\sigma /(1-2a/c) \]

References

  1. W.D.Pilkey, Peterson’s Stress Concentration Factors, 2nd edition, John Wileys and Sons Inc, 2000, 508 pp. (Chart 4.56 p. 325 § 4.4.4 p. 224)
  2. H.Nisitani, Method of Approximate Calculation for Interference of Notch Effect and its Application, Bull. Japan Soc. Mech. Eng., 1968, 11, p. 725.
  3. J. Schulz, Over den Spannungstoestand in doorborde Platen (On the State of Stress in Perforated Plates), Doctoral Thesis, Techn. Hochschule, 1941, Delft (in Dutch).